Hot air gun



FIG. 1 is a right side elevational view of a hot air gun showing our design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front perspective view thereof. 

CLAIM The ornamental design for a hot air gun, as shown and described. 